package com.webserver_v5.core;

import com.webserver_v5.controller.UserController;
import com.webserver_v5.http.HttpServletRequest;
import com.webserver_v5.http.HttpServletResponse;

import java.io.File;
import java.net.URISyntaxException;

public class DispatcherServlet {
    private static DispatcherServlet instance = new DispatcherServlet();

    private static File rootDir;
    private static File staticDir;

    private DispatcherServlet() {
    }

    public static DispatcherServlet getInstance() {
        return instance;
    }

    static {
        try {
            rootDir = new File(
                    ClientHandler.class.getClassLoader()
                            .getResource(".").toURI()
            );
            staticDir = new File(rootDir, "static");
        } catch (URISyntaxException e) {
            e.printStackTrace();
        }
    }

    public void service(HttpServletRequest request, HttpServletResponse response) {
        String path = request.getRequestURI();
        File file = new File(staticDir, path);
        if ("/regUser".equals(path)) {
            UserController controller = new UserController();
            controller.reg(request, response);
        }else if ("/loginUser".equals(path)){
            UserController controller = new UserController();
            controller.login(request, response);
        } else {
            if (file.isFile()) {
                response.setContentFile(file);

                response.addHeader("Server", "BirdWebServer");
            } else {
                response.setStatusCode(404);
                response.setStatusReason("NotFound");
                file = new File(staticDir, "root/404.html");
                response.setContentFile(file);

            }
        }
    }
}
